Unaudited Condensed Statements of Operations - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Total revenues	$ 43,563	$ 39,259	$ 87,108	$ 72,926
Cost of revenues	27,299	32,708	54,041	56,216
Gross profit	16,264	6,551	33,067	16,710
Operating expenses:
General and administrative	6,344	4,978	12,145	11,405
Sales and marketing	6,236	5,674	12,526	10,872
Research and development	2,565	2,173	4,673	4,309
Amortization of intangible assets	651	651	1,302	1,319
Restructuring charges	0	0	0	707
Total operating expenses	15,796	13,476	30,646	28,612
Operating income (loss)	468	(6,925)	2,421	(11,902)
Non-operating income (expense):
Other income, net	48	117	247	94
Interest income (expense), net	2	(300)	70	(332)
Income (loss) before income taxes	518	(7,108)	2,738	(12,140)
Benefit from (provision for) income taxes	33	(289)	(62)	(122)
Net income (loss)	$ 551	$ (7,397)	$ 2,676	$ (12,262)
Net income (loss) per common share
Basic net income (loss) per share (in dollars per share)	$ 0.01	$ (0.17)	$ 0.06	$ (0.29)
Diluted net income (loss) per share (in dollars per share)	$ 0.01	$ (0.17)	$ 0.06	$ (0.29)
Shares used in basic per share calculations (in shares)	42,742,000	42,288,000	42,654,000	42,334,000
Shares used in diluted per share calculations (in shares)	43,713,000	42,288,000	43,677,000	42,334,000
Product
Total revenues	$ 23,398	$ 20,788	$ 47,056	$ 37,169
Cost of revenues	13,086	20,026	25,190	31,683
Service
Total revenues	20,165	18,471	40,052	35,757
Cost of revenues	$ 14,213	$ 12,682	$ 28,851	$ 24,533